Patents by Inventor Gustavo O. Alvarez

Gustavo O. Alvarez has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5357721
    Abstract: An adjustable beam holder to be used with parallel spaced apart forming boards. The holder includes an elongated case with a longitudinal and centrally disposed slot that receives an elongated removably mounted connector member with an elongated protruding platform member on one side and the opposite side having perpendicularly mounted walls that are removably attached to the slot. Headed threaded shank members are inserted inside the case through openings defined by removable tabs formed on removable cap members mounted to the ends of the case. Readily detachable arms are mounted to the connector mounted to the case member in order to rest over the edges of forming wall and thereby aligning the upper wall flush with the plane defined by the upper edges.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: October 25, 1994
    Inventor: Gustavo O. Alvarez
  • Patent number: 5335470
    Abstract: An adjustable beam holder to be used with parallel spaced apart forming boards. The holder includes a case with a longitudinal slot that receives a headed threaded shank members and the other end of the shank is inserted through holes in the flanges of a clamp having a U-Shaped bracket. The bracket embraces one of the beams of a truss member urging same toward the case that is anchored in concrete. Readily detachable arms are mounted to the upper wall of the case member in order to rest over the edges of forming wall and thereby aligning the upper wall flush with the plane defined by the upper edges.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: August 9, 1994
    Inventor: Gustavo O. Alvarez